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Reference Manual
IP2048/RM, Rev AA
Section 5: Service and Troubleshooting
February 2015
To change the pulse repetition frequency
1. After entering the “Eng” menu (see the note above), press the green button
repeatedly until “Prf” is indicated.
2. Press the blue button
to enter the pulse frequency menu.
The display indicates the present frequency value
3. If this pulse frequency is correct, press the red button
to exit to the menu.
(The menu “Prf” re-appears”. To go to the next menu, press
).
4. Press the blue button
to start the editing mode. The pulse repetition frequency
flashes to indicate it can be edited.
5. Press the green button
repeatedly to scroll through the available options (0.5 to 2.0).
6. Press the blue button
to confirm the new setting. (The flashing stops).
7. If the new setting is correct, press the red button
to save. The display changes to the
next menu option.
8. If the new setting is incorrect, press the blue button
to exit to the menu.
9. The menu “Prf” re-appears to re-start at step (2) or press
for the next menu.
5.4.7 Setting valid echo count
Screen display: Stir
Factory default value: 4
This parameter is normally used in vessels with a stirrer or agitator, particularly if there is slow
movement. The transmitter may detect uncovered blades and treat them as a valid echo and
calculate an incorrect level reading.
Note
This menu option is in the engineering menu “Eng”. See “Accessing the engineering
menu” on page 49 or see Figure C-3 on page 79 for a map of the menu structure.
To change the valid echo count
1. After entering the “Eng” menu (see the note above), press the green button
repeatedly until “Stir” is indicated.
2. Press the blue button
to enter the stirrer (“Stir”) menu.
The display indicates the present valid echo count.
3. If the value indicated is correct, press the red button
to exit to the menu.
(The menu option “Stir” re-appears”. Press
to get to the next menu).
4. Press the blue button
to start the editing mode. The valid echo count flashes to
indicate it can be edited.
5. Press the green button
repeatedly to scroll through the options available (1 to 100).
6. Press the blue button
to confirm the new setting. (The flashing stops).